Michael Jon Carter, a washed-up 25th-century museum security guard, steals high-tech gear and a time sphere to become a "superhero" in the past—chasing fame, fortune, and validation. But what starts as self-serving adventure spirals into a timeline-threatening crisis. As Booster hops through time with his robotic companion Skeets, he learns the hard way that heroism isn't about headlines—it's about legacy.